Home / 26,121.68-36,049.59-15,916.46

Finding the Fourth Proportional to 26,121.68, 36,049.59 and 15,916.46

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Solution

The fourth proportional to 26,121.68, 36,049.59 and 15,916.46 is: 21,965.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,121.68 : 36,049.59 = 15,916.46 : x
  2. Step 2: Convert to fraction form
    26,121.68/36,049.59 = 15,916.46/x
  3. Step 3: Cross multiply
    26,121.68x = 36,049.59 × 15,916.46
  4. Step 4: Simplify right side
    26,121.68x = 573,781,857.25
  5. Step 5: Solve for x
    x = 573,781,857.25/26,121.68
  6. Step 6: Final answer
    x = 21,965.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.